SARUNN ER Rose Gold, Size 8 Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
Available Options
For the busy professional or active parent who wants to monitor health without a bulky device, this smart ring offers discreet, all-day tracking. It's perfect for those who forget to charge gadgets daily or need reliable data during workouts and sleep.
Beyond typical fitness tracking, it acts as a silent health companion. The ring continuously monitors heart rate and blood oxygen, alerting you to changes before you feel them. You'll notice the sleep analysis helps you adjust habits for better rest, with detailed reports in the app showing deep sleep patterns you might miss otherwise.
With no subscription fees, you get lifetime access to full features. The 5-day battery life means fewer interruptions, and the waterproof design handles showers and swims effortlessly. It's so lightweight you'll forget it's on, yet it provides peace of mind through accurate step counting and health insights.
Features
- Sleep monitoring and tracking
- Heart rate and blood oxygen monitoring
- Step counting and exercise tracking
- IP68 waterproof up to 262 feet
- 5-day battery life
- No subscription fees
Product details
General specs
- Brand: SARUNN ER
- Charging Method: Magnetic
- OS Compatibility: Android, iOS
- Water Resistance: IP68
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Comparison with similar products
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Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
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RingConn RCA-02 Gold
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| Brand | SARUNN ER | Free Shark | BIEMHA | BIEMHA | BIEMHA | RingConn |
| Model | Smart Ring | B0FWJNV16Z | VR11 | VR11 | RCA-02 | |
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| Price | $49.99 | $69.99 | $59.99 | $49.99 | $49.99 | $199.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 21, 2026 | June 27, 2025 | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 |
| Size | 8 | 10 | 10 | 9 | 8 | |
| Battery Life | 5–7 d | 5–7 d | 3–5 d | 3–5 d | 7–10 d | |
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
| OS Compatibility | Android, iOS | Android, iOS | iOS, Android | iOS, Android | Android, iOS | |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | |
| Material | Titanium Alloy | Titanium Alloy | Titanium Alloy | |||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| Bluetooth Version | 5.0 | 5.0 | 5.3 | |||